Reset Volume Controller, Thermostat Required for Cooling Direct/Reverse Acting, Thermostat Required for Heating Direct/Reverse Acting, Reset Start Point Factory Setting 3 psi, Minimum Air Pressure 15 psi, Maximum Air Pressure 30 psi, Minimum Setpoint Range Minimum 0 to 1 in wc, Maximum Setpoint Range Min to 1 in wc, Reset Start Point Minimum Setting 0 psi, Reset Start Point Maximum Setting 10 psi, Air Consumption 28.8 scim, Signal Pressure - Maximum 6 in wc